Bridge Filters; What Is Custom Filtering - 3Com LinkBuilder MSH User Manual

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HAPTER

Bridge Filters

The LinkBuilder MSH 4 Port Ethernet Bridge Module allows the
use of customised filtering, which can be used in addition to basic
transparent filtering, as explained in
Forwarding on page
filtering modes:
Host-to-Host filtering
Host-to-Port filtering
Port-to-Port filtering
Multicast-to-Port filtering
Protocol filtering
Bit filtering
This section describes these filtering modes and filtering concepts
in general.

What Is Custom Filtering?

Custom filtering lets you selectively define the hosts that can
communicate through the bridge. When applied, the bridge
filters (discards) certain packets based on the contents of filter
sets. These filter sets can be edited by the bridge operator and are
used for indicating what devices' packets are to be filtered.
Figure
performs custom filtering. This particular example shows
host-to-port filtering.
NTRODUCTION
1-12. It supports the following custom
1-19, Figure 1-20 and
Learning, Filtering And
Figure 1-21 illustrate how a bridge
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